Objects in the image:
category: bus
category: traffic light
category: traffic light
category: traffic light
category: car
category: traffic light
category: car
category: traffic light
category: car
category: traffic light

Guessing-game dialogue about one of the objects:
q: is a vehicle?
a: No
q: is traffic light?
a: Yes
q: the one in front?
a: No
q: in the middle?
a: No
q: the last one?
a: Yes